AngularJS + base horizon module

  Implements: blueprint angularjs-javascript-frontend-framework
  Adds AngularJS 1.2.0
  Adds Base horizon module with no functionality

Change-Id: I02da3e095848fae83c3a75ea90dcf0e6d3e6b772
Membership workflow implementation w/ AngularJS

  See previous commit for AngularJS integration
  Provides simple angularJS directive + template + controller
  Tested w/ qunit
  Provides sample for future angular adoption

Change-Id: Iec7813dde2f8d3bde78dc47e7a53586a5165f52d